Woder Gen4 WD-G4-REP Replacement Cartridge for WD-G4 Systems (Single Stage) and WD-D-FRM-G4, WD-D-20M-G4 and WD-D-HM-G4 Dual Stage systems (as 2nd Stage) – USA Made

I used to have an over the counter filter. Had to change that filter every year and a half or so. Since my new apartment cannot accomodate an over the counter filter, I searched and searched for a solution that is efficinet and not cumbersome . This was it. The only drawback, but that is only for me, is that I am a renter and had to get permission and have it installed by the Building Management and I was overcharged for installing it ($250). This issue only pertains to me. But I am so relieved to have it as I used to lug gallons from the store almost daily. I am 75...and other than time, the effort also was a challenge. I did not want to become member of those gallon-companies...as I could not tlift those. I did not want a Britta because that felt like the slow boat to China and also water had to be refrigerated (I prefer room temperature). This one has one cylinder (does not filter Flouride) but lasts for approximately 3-years. YIPPEE. I have consideration about changing the filter when the time comes because I am not sure I can do it or I have to get those Building vendors who are exploiters. I am praying that by the time that time comes, some easy harmonious solution will present itself. For now, I am a happy camper and do recommend this filter - if you are not a perfectionist and wanted a Reverse Osmosis or Alkaline water...then that would be another story! This one is enough and our city water is clean generally and they make sure it is - but this is an extra refinement of taste and filtering out some more stuff.

The the Woder system is great.The filters work great, and make the water taste better.It is easy to assemble/install.The customer service is very prompt and helpful.I highly recommend this.

Water filter works great and easy to install. Had a minor issue and they sent me a replacement, with no hassell. Great product, and great support. Highly recommended.

Good filter when you receive it. Mine was lost in shipping. Used it before, but this time due to delivery problem, had to reorder through another website. It lasts about 1.5 years with my public water supplier, before reduction in flow or bad taste issues start to show up. I consider that good.A year later, I it was time to replace the Gen 3 type filter at the one year change interval. The newer Gen 4 model did not properly fit my 2016-2017 mounting head. It attached to the original mount, but developed a slow leak almost immediately. The company was very good in sending me another 'newer' mounting head (not in original packaging and not with a new filter cartridge) So, I finally got down to replacing the older 'head unit' lying on my back and stretching my body to reach the back of the cabinet via circling the garbage disposal. The replacement head appears to hold the newer cartridge with no leaks. But, the cartridge itself has a slightly slower flow rate from the 1yr old 'old-style' cartridge, which might be due to its sitting around with water inside of it for a month until I could get the replacement mounting head put on. Hopefully, this is not the case; and the lower flow rate is simply due to better filtration.

The Woder filters appear to be a product of high quality. They are as easy to install as their description claim. I purchased the Woder water filter system and replacement filter to connect to a new dual faucet with a dedicated RO faucet. The installation was simple and straight forward. The filter delivers very high-pressure water to the RO faucet. This high water flow is great when you're filling a large cooking pot or refilling a water cooler bottle. At first, the filter will deliver very cloudy water, because in the manufacture of the filters they are filled with air. The cloudiness of the water is actually 5 micron-sized air bubbles which will dissipate in a month or more with use. The taste of the water is immediately improved. I performed a side by side taste test with some bottled water that I had purchased. I could not distinguish any difference between the commercially bottled water and the water from the Woder water filter system. I'm so satisfied with the Wooder water filters, that I'm installing one on the water supply line to my refrigerator. I'm especially happy to support an American company, who are manufacturing their high-quality product in America.

I've bought replacement cartridges for my Woder filter for years, but when I got this last one, it leaked. There was an insert in the box saying if it leaked to call Woder support rather than return. I decided to go ahead and try this, and long story short, a replacement head allowed the cartridge to work. I had to get a second replacement head as the first replacement didn't leak but made a weird sound. I'm guessing they may have switched manufacturing at some point as my old cartridge looked identical to the new one and worked in all three heads. Support was great throughout the process, and I have a working filter with no additional cost.

Great water filter. I have this installed under our kitchen sink. The filtered water supplies the refrigerator and a dedicated water faucet on the kitchen counter. The installation of a new filter is so easy, unscrew the old, screw in the new, done. I write on the white filter with a black Sharpie pen the date installed. This gives me a reference as to when I'll need to replace next. I replace the filter ever two years. This sequence works for us, just two people in the house. I recommend this product, 110% pleased.